NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 3:01 pm PDT Aug 21, 2017
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  • Overnight

    Overnight: Clear, with a low around 52. Southeast wind around 6 mph.

    Clear


    Low: 52 °F

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    Sunny


    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 51. Northwest wind 8 to 10 mph.

    Clear


    Low: 51 °F

  • Wednesday

    Wednesday: Sunny, with a high near 66. Northwest wind 8 to 11 mph.

    Sunny


    High: 66 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 44. West northwest wind 8 to 11 mph.

    Slight Chance
    Showers

    Low: 44 °F

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am.  Mostly cloudy, with a high near 60.

    Chance
    Showers

    High: 60 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 41.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 41 °F

  • Friday

    Friday: Mostly sunny, with a high near 65.

    Mostly Sunny


    High: 65 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 46.

    Mostly Clear


    Low: 46 °F

  • Overnight: Clear, with a low around 52. Southeast wind around 6 mph.

    Tuesday: Sunny, with a high near 78. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    Tuesday Night: Clear, with a low around 51. Northwest wind 8 to 10 mph.

    Wednesday: Sunny, with a high near 66. Northwest wind 8 to 11 mph.

    Wednesday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 44. West northwest wind 8 to 11 mph.

    Thursday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 60.

    Thursday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 41.

    Friday: Mostly sunny, with a high near 65.

    Friday Night: Mostly clear, with a low around 46.

    Saturday: Sunny, with a high near 79.

    Saturday Night: Clear, with a low around 51.

    Sunday: Sunny, with a high near 80.

    Sunday Night: Clear, with a low around 51.

    Monday: Sunny, with a high near 78.



    Mount St Helens WA
     46.2°N 122.18°W (Elev. 5997 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/pqr